| 1 |
mlosch |
1.42 |
C $Header: /u/gcmpack/MITgcm/model/src/ini_depths.F,v 1.41 2008/09/10 09:19:22 mlosch Exp $ |
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adcroft |
1.23 |
C $Name: $ |
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cnh |
1.1 |
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mlosch |
1.35 |
#include "PACKAGES_CONFIG.h" |
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cnh |
1.16 |
#include "CPP_OPTIONS.h" |
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cnh |
1.1 |
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cnh |
1.26 |
CBOP |
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C !ROUTINE: INI_DEPTHS |
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C !INTERFACE: |
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cnh |
1.1 |
SUBROUTINE INI_DEPTHS( myThid ) |
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cnh |
1.26 |
C !DESCRIPTION: \bv |
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C *==========================================================* |
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jmc |
1.31 |
C | SUBROUTINE INI_DEPTHS |
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C | o define R_position of Lower and Surface Boundaries |
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cnh |
1.26 |
C *==========================================================* |
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jmc |
1.31 |
C |atmosphere orography: |
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C | define either in term of P_topo or converted from Z_topo |
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C |ocean bathymetry: |
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C | The depths of the bottom of the model is specified in |
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C | terms of an XY map with one depth for each column of |
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C | grid cells. Depths do not have to coincide with the |
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C | model levels. The model lopping algorithm makes it |
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C | possible to represent arbitrary depths. |
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C | The mode depths map also influences the models topology |
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C | By default the model domain wraps around in X and Y. |
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C | This default doubly periodic topology is "supressed" |
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C | if a depth map is defined which closes off all wrap |
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C | around flow. |
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cnh |
1.26 |
C *==========================================================* |
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C \ev |
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C !USES: |
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adcroft |
1.17 |
IMPLICIT NONE |
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cnh |
1.1 |
C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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jmc |
1.27 |
#include "SURFACE.h" |
| 40 |
edhill |
1.39 |
#ifdef ALLOW_MNC |
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mlosch |
1.40 |
# include "MNC_PARAMS.h" |
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edhill |
1.39 |
#endif |
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cnh |
1.1 |
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cnh |
1.26 |
C !INPUT/OUTPUT PARAMETERS: |
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cnh |
1.1 |
C == Routine arguments == |
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C myThid - Number of this instance of INI_DEPTHS |
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INTEGER myThid |
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CEndOfInterface |
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cnh |
1.26 |
C !LOCAL VARIABLES: |
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cnh |
1.1 |
C == Local variables == |
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C iG, jG - Global coordinate index |
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jmc |
1.29 |
C bi,bj - Tile indices |
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C I,J,K - Loop counters |
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cnh |
1.13 |
C oldPrec - Temporary used in controlling binary input dataset precision |
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jmc |
1.31 |
C msgBuf - Informational/error meesage buffer |
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cnh |
1.1 |
INTEGER iG, jG |
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INTEGER bi, bj |
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adcroft |
1.23 |
INTEGER I, J |
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jmc |
1.24 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
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cnh |
1.26 |
CEOP |
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jmc |
1.24 |
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jmc |
1.31 |
IF (usingPCoords .AND. bathyFile .NE. ' ' |
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& .AND. topoFile .NE. ' ' ) THEN |
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jmc |
1.24 |
WRITE(msgBuf,'(A,A)') |
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& 'S/R INI_DEPTHS: both bathyFile & topoFile are specified:', |
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& ' select the right one !' |
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CALL PRINT_ERROR( msgBuf , myThid) |
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STOP 'ABNORMAL END: S/R INI_DEPTHS' |
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ENDIF |
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C------ |
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C 0) Initialize R_low and Ro_surf (define an empty domain) |
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C------ |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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jmc |
1.36 |
R_low(i,j,bi,bj) = 0. _d 0 |
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Ro_surf(i,j,bi,bj) = 0. _d 0 |
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topoZ(i,j,bi,bj) = 0. _d 0 |
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jmc |
1.24 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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cnh |
1.1 |
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jmc |
1.36 |
C- Need to synchronize here before doing master-thread IO |
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_BARRIER |
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jmc |
1.24 |
C------ |
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C 1) Set R_low = the Lower (in r sense) boundary of the fluid column : |
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C------ |
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jmc |
1.31 |
IF (usingPCoords .OR. bathyFile .EQ. ' ') THEN |
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jmc |
1.24 |
C- e.g., atmosphere : R_low = Top of atmosphere |
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jmc |
1.25 |
C- ocean : R_low = Bottom |
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cnh |
1.4 |
DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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jmc |
1.25 |
DO j=1,sNy |
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DO i=1,sNx |
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jmc |
1.24 |
R_low(i,j,bi,bj) = rF(Nr+1) |
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cnh |
1.4 |
ENDDO |
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cnh |
1.1 |
ENDDO |
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ENDDO |
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ENDDO |
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cnh |
1.4 |
ELSE |
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edhill |
1.39 |
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#ifdef ALLOW_MNC |
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IF (useMNC .AND. mnc_read_bathy) THEN |
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CALL MNC_CW_ADD_VNAME('bathy', 'Cen_xy_Hn__-__-', 3,4, myThid) |
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CALL MNC_FILE_CLOSE_ALL_MATCHING(bathyFile, myThid) |
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CALL MNC_CW_SET_UDIM(bathyFile, 1, myThid) |
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CALL MNC_CW_SET_CITER(bathyFile, 2, -1, -1, -1, myThid) |
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CALL MNC_CW_SET_UDIM(bathyFile, 1, myThid) |
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CALL MNC_CW_RL_R('D',bathyFile,0,0,'bathy',R_low, myThid) |
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CALL MNC_FILE_CLOSE_ALL_MATCHING(bathyFile, myThid) |
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CALL MNC_CW_DEL_VNAME('bathy', myThid) |
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ELSE |
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#endif /* ALLOW_MNC */ |
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jmc |
1.36 |
C Read the bathymetry using the mid-level I/O package read_write_rec |
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adcroft |
1.19 |
C The 0 is the "iteration" argument. The 1 is the record number. |
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edhill |
1.39 |
CALL READ_REC_XY_RS( bathyFile, R_low, 1, 0, myThid ) |
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jmc |
1.36 |
C Read the bathymetry using the mid-level I/O package read_write_fld |
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adcroft |
1.19 |
C The 0 is the "iteration" argument. The ' ' is an empty suffix |
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jmc |
1.24 |
c CALL READ_FLD_XY_RS( bathyFile, ' ', R_low, 0, myThid ) |
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adcroft |
1.19 |
C Read the bathymetry using the low-level I/O package |
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jmc |
1.24 |
c CALL MDSREADFIELD( bathyFile, readBinaryPrec, |
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c & 'RS', 1, R_low, 1, myThid ) |
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edhill |
1.39 |
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#ifdef ALLOW_MNC |
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ENDIF |
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#endif /* ALLOW_MNC */ |
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jmc |
1.25 |
ENDIF |
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C- end setup R_low in the interior |
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jmc |
1.24 |
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jmc |
1.36 |
C- fill in the overlap (+ BARRIER): |
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jmc |
1.25 |
_EXCH_XY_R4(R_low, myThid ) |
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adcroft |
1.21 |
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jmc |
1.37 |
IF ( debugLevel.GE.debLevB ) THEN |
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heimbach |
1.34 |
c PRINT *, ' Calling plot field', myThid |
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jmc |
1.37 |
CALL PLOT_FIELD_XYRS( R_low, 'Bottom depths (ini_depths)', |
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& -1, myThid ) |
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ENDIF |
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jmc |
1.31 |
c CALL WRITE_FLD_XY_RS( 'R_low' ,' ', R_low, 0,myThid) |
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jmc |
1.24 |
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c---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C------ |
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C 2) Set R_surf = Surface boundary: ocean surface / ground for the atmosphere |
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C------ |
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jmc |
1.31 |
IF ( usingPCoords .AND. bathyFile.NE.' ' ) THEN |
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C------ read directly Po_surf from bathyFile (only for backward compatibility) |
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jmc |
1.25 |
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CALL READ_REC_XY_RS( bathyFile, Ro_surf, 1, 0, myThid ) |
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ELSEIF ( topoFile.EQ.' ' ) THEN |
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C------ set default value: |
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jmc |
1.24 |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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jmc |
1.25 |
DO j=1,sNy |
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DO i=1,sNx |
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jmc |
1.24 |
Ro_surf(i,j,bi,bj) = Ro_SeaLevel |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ELSE |
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jmc |
1.25 |
C------ read from file: |
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jmc |
1.24 |
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C- read surface topography (in m) from topoFile (case topoFile.NE.' '): |
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jmc |
1.36 |
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jmc |
1.27 |
CALL READ_REC_XY_RS( topoFile, topoZ, 1, 0, myThid ) |
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jmc |
1.24 |
_BARRIER |
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IF (buoyancyRelation .EQ. 'ATMOSPHERIC') THEN |
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jmc |
1.25 |
C---- |
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jmc |
1.31 |
C Convert Surface Geopotential to (reference) Surface Pressure |
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jmc |
1.24 |
C according to Tref profile, using same discretisation as in calc_phi_hyd |
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jmc |
1.25 |
C---- |
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jmc |
1.31 |
c CALL WRITE_FLD_XY_RS( 'topo_Z',' ',topoZ,0,myThid) |
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jmc |
1.24 |
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jmc |
1.29 |
CALL INI_P_GROUND( 2, topoZ, |
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O Ro_surf, |
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jmc |
1.28 |
I myThid ) |
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jmc |
1.24 |
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jmc |
1.36 |
c _BARRIER |
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adcroft |
1.30 |
C This I/O is now done in write_grid.F |
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jmc |
1.31 |
c CALL WRITE_FLD_XY_RS( 'topo_P',' ',Ro_surf,0,myThid) |
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jmc |
1.24 |
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ELSE |
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jmc |
1.25 |
C---- |
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jmc |
1.31 |
C Direct Transfer to Ro_surf (e.g., to specify upper ocean boundary |
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jmc |
1.29 |
C below an ice-shelf - NOTE - actually not yet implemented ) |
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jmc |
1.24 |
DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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jmc |
1.27 |
Ro_surf(i,j,bi,bj) = topoZ(i,j,bi,bj) |
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jmc |
1.24 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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jmc |
1.25 |
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jmc |
1.24 |
ENDIF |
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jmc |
1.25 |
C------ end case "read topoFile" |
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ENDIF |
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jmc |
1.24 |
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jmc |
1.36 |
C----- fill in the overlap (+ BARRIER): |
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jmc |
1.25 |
_EXCH_XY_R4(Ro_surf, myThid ) |
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jmc |
1.24 |
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c---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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adcroft |
1.21 |
|
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jmc |
1.24 |
C------ |
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C 3) Close the Domain (special configuration). |
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C------ |
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jmc |
1.31 |
IF (usingPCoords) THEN |
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adcroft |
1.21 |
DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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jmc |
1.24 |
iG = myXGlobalLo-1+(bi-1)*sNx+I |
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jG = myYGlobalLo-1+(bj-1)*sNy+J |
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C Test for eastern edge |
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c IF ( iG .EQ. Nx ) Ro_surf(i,j,bi,bj) = 0. |
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C Test for northern edge |
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c IF ( jG .EQ. Ny ) Ro_surf(i,j,bi,bj) = 0. |
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jmc |
1.37 |
IF (usingSphericalPolarGrid .AND. ABS(yC(I,J,bi,bj)).GE.90. ) |
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jmc |
1.24 |
& Ro_surf(I,J,bi,bj) = rF(Nr+1) |
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adcroft |
1.23 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ELSE |
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DO bj = myByLo(myThid), myByHi(myThid) |
| 240 |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1-Oly,sNy+Oly |
| 242 |
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DO i=1-Olx,sNx+Olx |
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jmc |
1.24 |
iG = myXGlobalLo-1+(bi-1)*sNx+I |
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jG = myYGlobalLo-1+(bj-1)*sNy+J |
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C Test for eastern edge |
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c IF ( iG .EQ. Nx ) R_low(i,j,bi,bj) = 0. |
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C Test for northern edge |
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c IF ( jG .EQ. Ny ) R_low(i,j,bi,bj) = 0. |
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jmc |
1.37 |
IF (usingSphericalPolarGrid .AND. ABS(yC(I,J,bi,bj)).GE.90. ) |
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jmc |
1.24 |
& R_low(I,J,bi,bj) = Ro_SeaLevel |
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adcroft |
1.21 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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jmc |
1.24 |
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jmc |
1.37 |
IF ( debugLevel.GE.debLevB ) THEN |
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CALL PLOT_FIELD_XYRS( Ro_surf, |
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& 'Surface reference r-position (ini_depths)', |
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& -1, myThid ) |
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ENDIF |
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jmc |
1.31 |
c CALL WRITE_FLD_XY_RS('Ro_surf',' ',Ro_surf,0,myThid) |
| 263 |
adcroft |
1.23 |
|
| 264 |
jmc |
1.38 |
C-- Everyone else must wait for the depth to be loaded |
| 265 |
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C- note: might not be necessary since all single-thread IO above |
| 266 |
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C are followed by an EXCH (with BARRIER) |
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_BARRIER |
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mlosch |
1.40 |
#ifdef ALLOW_OBCS |
| 270 |
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IF ( useOBCS ) THEN |
| 271 |
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C check for inconsistent topography along boundaries and fix it |
| 272 |
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CALL OBCS_CHECK_TOPOGRAPHY( myThid ) |
| 273 |
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C update the overlaps |
| 274 |
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_EXCH_XY_R4(R_low, myThid ) |
| 275 |
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ENDIF |
| 276 |
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#endif /* ALLOW_OBCS */ |
| 277 |
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| 278 |
cnh |
1.1 |
RETURN |
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END |
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